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tester [92]
3 years ago
11

The graph shows a proportional relationship between x and y.Find the constant of proportionality (r) and write an equation to re

present the relationship.

Mathematics
2 answers:
SCORPION-xisa [38]3 years ago
6 0

Answer:

r=3

y=3x

Step-by-step explanation:

We are given that a graph.

The graph shows  a proportional relationship between x and y.

From given graph  we can see that when x increases then y is also increases.

Therefore, y\propto x

y=rx

Where r=proportionality constant

x=5 and y=15

Substitute the values then we get

15=r(5)

r=\frac{15}{5}=3

Substitute the value of r

Then, the equation to represent the relationship is given by

y=3x

damaskus [11]3 years ago
5 0
The constant of proportionality (r) appears to be 3.

y = 3x . . . . . . . x = number of tickets sold; y = dollars collected
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